{
  "K2": [
    [
      "Tectonic regime",
      "Structural setting"
    ],
    [
      "Structural setting",
      "Period"
    ]
  ],
  "MI": [
    [
      "Tectonic regime",
      "Period"
    ],
    [
      "Structural setting",
      "Period"
    ],
    [
      "Tectonic regime",
      "Lithology"
    ],
    [
      "Lithology",
      "Structural setting"
    ]
  ],
  "BIC": [
    [
      "Tectonic regime",
      "Period"
    ],
    [
      "Structural setting",
      "Period"
    ],
    [
      "Lithology",
      "Period"
    ],
    [
      "Tectonic regime",
      "Lithology"
    ],
    [
      "Tectonic regime",
      "Structural setting"
    ],
    [
      "Lithology",
      "Structural setting"
    ]
  ]
}